Perhaps you should try some spelling variations:
"using a java snippets" » "using _ java snippets", "using a java slippers"
"anh tuan java snippets" » "anh tuan java slippers", "anh quan java snippets", "anh tran java snippets", "anh luan java snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using a java snippets") or ("anh tuan java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("anh tuan java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( anh tuan java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("anh tuan java snippets"))) or ("locating bug code snippets"))*.